HP 9000 Series 700, Manual

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DTC Manager/UX overview
DTC 16
The DTC 16 can be fitted with two boards of eight ports, giving a maximum of 16
ports. It can provide connections for up to 16 directly-connected devices, or 12
remote devices using modems, or a combination of both. The back of the DTC 16
actually has three slots; two slots for connector cards and one empty slot.
DTC 48
The DTC 48 can be fitted with six boards of eight ports, giving a maximum of 48
ports. It can provide connections for up to 48 directly-connected devices, or 36
remote devices using modems, or a combination of both.
The back of the DTC 48 contains six slots, each of which can contain one of the
available connector boards. The slots are numbered 0 through 5 (from bottom to
top). When connector boards are mounted in the slots, they are often referred to by
their slot locations: for example, the board contained in slot 1 becomes board 1.
Note DTC 48s with a date code less than 3110 require a memory extension and must be
upgraded with the DTC 48 Upgrade Kit (HP product 2348A). DTC 48s with a date
code of 3110 or later and DTC 16s do not require a hardware memory extension.
DTC 72MX
The DTC 72MX can be fitted with three boards of 24 ports, giving a maximum of 72
ports. The DTC 72 can provide connections for up to 72 directly-connected devices,
or remote devices using modems, or a combination of both.
On the back, there are four slots. You must have a LAN board installed in one of the
slots. Slot 0 is usually used for the LAN card. The other three slots can take boards
which provide connections for up to 24 devices each.
The DTC 72MX has three port groups per board. Each port group has eight ports.
Each port group can be configured to be modem or direct-connect.